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Finding the Fourth Proportional to 17,703.40, 26,555.10 and 15,514.60

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Solution

The fourth proportional to 17,703.40, 26,555.10 and 15,514.60 is: 23,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.40 : 26,555.10 = 15,514.60 : x
  2. Step 2: Convert to fraction form
    17,703.40/26,555.10 = 15,514.60/x
  3. Step 3: Cross multiply
    17,703.40x = 26,555.10 × 15,514.60
  4. Step 4: Simplify right side
    17,703.40x = 411,991,754.46
  5. Step 5: Solve for x
    x = 411,991,754.46/17,703.40
  6. Step 6: Final answer
    x = 23,271.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.